120518361 has 20 divisors (see below), whose sum is σ = 184903972. Its totient is φ = 78172128.

The previous prime is 120518353. The next prime is 120518383. The reversal of 120518361 is 163815021.

It can be written as a sum of positive squares in 2 ways, for example, as 83612736 + 36905625 = 9144^2 + 6075^2 .

It is not a de Polignac number, because 120518361 - 2³ = 120518353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120518261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17110 + ... + 23103.

Almost surely, 2^120518361 is an apocalyptic number.

It is an amenable number.

120518361 is a deficient number, since it is larger than the sum of its proper divisors (64385611).

120518361 is an equidigital number, since it uses as much as digits as its factorization.

120518361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40262 (or 40253 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 120518361 is about 10978.0854888273. The cubic root of 120518361 is about 493.9516103224.

The spelling of 120518361 in words is "one hundred twenty million, five hundred eighteen thousand, three hundred sixty-one".